In this photo provided by KOMO-TV, emergency personnel respond to the scene of a helicopter crash outside the KOMO-TV studios near the space needle in Seattle on Tuesday, March 18, 2014. The station says the helicopter was apparently coming in for a landing on its rooftop Tuesday morning when it possibly hit the side of the building and went down, hitting several vehicles on Broad Street. (AP Photo/KOMO-TV, Kelly Koopmans) MANDATORY CREDIT
Photo: Kelly Koopmans, AP

In this photo provided by KOMO-TV, emergency personnel respond to...

In this image made from video provided by KOMO, smoke rises from the scene of a news helicopter crash outside the KOMO News studios near the Space Needle in Seattle, Tuesday, March 18, 2014, in Seattle.

Photo: AP

In this image made from video provided by KOMO, smoke rises from...

In this photo provided by KOMO-TV, emergency personnel respond to the scene of a helicopter crash outside the KOMO-TV studios near the space needle in Seattle on Tuesday, March 18, 2014. The station says the helicopter was apparently coming in for a landing on its rooftop Tuesday morning when it possibly hit the side of the building and went down, hitting several vehicles on Broad Street.
Photo: Kelly Koopmans, AP

In this photo provided by KOMO-TV, emergency personnel respond to...

In this image made from video provided by KOMO-TV, smoke rises from the scene of a news helicopter crash outside the KOMO-TV studios near the space needle in Seattle, Tuesday. (AP Photo/Courtesy KOMO-TV)
Photo: Uncredited, Komo/kiro

In this image made from video provided by KOMO-TV, smoke rises from...

A car burns at the scene of a helicopter crash outside the KOMO News studios near the Space Needle in Seattle on Tuesday.

Photo: KELLY KOOPMANS, KOMO NEWS

A car burns at the scene of a helicopter crash outside the KOMO...

In this image made from video provided by KOMO-TV, emergency crews respond to the scene of a news helicopter crash outside the KOMO-TV studios near the space needle in Seattle, Tuesday. (AP Photo/Courtesy KOMO-TV)
Photo: Uncredited, Komo/kiro

In this image made from video provided by KOMO-TV, emergency crews...

In this photo provided by KIRO- TV, smoke rises at the scene of a helicopter crash outside the KOMO-TV studios near the space needle in Seattle on Tuesday. (AP Photo/KIRO-TV)
Photo: Komo/kiro